How to lookup a cell phone number

There are plenty of phones in the market that come with the most advanced features.  But the manufactures of these cell phones have failed to understand that there are people whose need of cell phone directory assistance is not fulfilled.  This service like the landline directory would make it easy for people to make a call personally or to an organization.   With the growing users of cell phones in this world, this service is very essential that needs to be implemented.  There are times we receive phone calls from number that we do not know.  These calls might also be missed by us.  This makes us very curious to find out the caller.  We also would want to know whether it is someone important calling or just a prankster.  There are many reasons for us to find out the caller.  The lookup cell phone number service helps to do this with just a click of the mouse.